Style de citation APA (7e éd.)

Clark, W. J. International Language, Past, Present & Future With Specimens of Esperanto and Grammar.

Style de citation Chicago (17e éd.)

Clark, Walter John. International Language, Past, Present & Future With Specimens of Esperanto and Grammar.

Style de citation MLA (9e éd.)

Clark, Walter John. International Language, Past, Present & Future With Specimens of Esperanto and Grammar.

Attention : ces citations peuvent ne pas être correctes à 100%.